WMSIC Electronic Components

ROHM RB530CM-30T2R RB530CM

ModelRB530CM-30T2R
PackageSOD-923
BrandROHM
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

18 specifications

Core information

Product name
ROHM RB530CM-30T2R
Type
ROHM
Minimum package
8000

Technical parameters

Electronic Component
ROHM
Electronic Component
RB530CM-30T2R
Electronic Component
1
Package
SOD-923
Electronic Component
Schottky Diode
Electronic Component
0.007g
Electronic Component
1
Electronic Component
BM0228685933
Current
100mA
Diode
1
Current(Ir)
300nA@10V
(Vf)
460mV@10mA
Electronic Component
8000
Voltage Rating(Vr)
30V
Surge Current (Ifsm)
500mA

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

RB530CM-30T2R 产品概述

一、概述与核心参数

RB530CM-30T2R 是 ROHM(罗姆)推出的一款独立式肖特基二极管,面向低压、低功耗场景的表面贴装应用。该器件具有较低的正向压降和极小的反向漏电流,适用于对能耗和体积敏感的电子系统。主要电气参数如下:

  • 正向压降 (Vf):460 mV @ 10 mA
  • 直流反向耐压 (Vr):30 V
  • 额定整流电流:100 mA(连续)
  • 反向电流 (Ir):300 nA @ 10 V
  • 非重复峰值浪涌电流 (Ifsm):500 mA(瞬态)
  • 封装:SOD-923(超小型表面贴装封装)

这些参数表明 RB530CM-30T2R 在中低电流、低压差应用中具有良好的能效表现和优异的泄漏控制。

二、主要特性与优势

  • 低正向压降:460 mV @ 10 mA 的低压降可显著降低导通损耗,提升电源效率,延长电池供电设备的续航能力,适合 5 V 以下或点对点电源路径的整流与肖特基二极管替代应用。
  • 低反向漏电:300 nA @ 10 V 的极低反向电流有利于在待机或断电状态下抑制能量损耗,适用于计量级低漏电要求的便携设备和测量系统。
  • 小型封装:SOD-923 封装体积小,便于高密度布板和小型化设计,适合移动终端、可穿戴设备与微型电源模块。
  • 合理的浪涌承受能力:500 mA 的非重复峰值浪涌电流满足一般开机瞬态和突发负载要求,但仍需针对高浪涌场景进行额外设计。
  • 品牌与质量:ROHM 品牌保证长期供应与质量一致性,适合量产和工程验证。

三、典型应用场景

  • 电源整流与二极整流保护:用于低功耗供电轨的反向保护、续流二极管或小功率整流。
  • 电源 OR-ing / 反向保护:作为理想二极管或备用电源切换件,降低压降和能耗。
  • 信号线夹位与保护:用于防止电压突变造成敏感器件损伤,或作为钳位元件。
  • 可穿戴及便携设备:适合对尺寸与功耗要求高的便携式电子产品。
  • 功率管理与点对点 dc-dc 输出整流:在输出电压较低且电流需求小于 100 mA 的场景中可有效降低损耗。

四、设计与布局建议

  • 散热考虑:SOD-923 为超小型封装,器件的功耗和结温易受 PCB 散热条件影响。建议在焊盘下方或周围增加铜箔面积,必要时使用过孔连接至内部或背面的散热层,以提升散热能力并降低结温。
  • 走线与封装匹配:尽量缩短与负载之间的走线长度,减少串联阻抗;焊盘尺寸按 ROHM 或通用 SOD-923 推荐焊盘进行设计,以保证良好焊接性和可靠性。
  • 回流焊工艺:器件适用于常规无铅回流焊接工艺。遵循良好的焊接曲线与温度坡度以避免过热对封装和内部结构造成损害。
  • 保护与浪涌设计:尽管 Ifsm 为 500 mA,长时间或重复浪涌可能损坏器件。对可能出现的大幅度浪涌或反复冲击的系统,应采取限流、电流缓冲或选择额定更高的器件。

五、选型注意事项

  • 若系统电流长期超过 100 mA,应选择更高额定整流电流的肖特基型号。
  • 对于高压应用(>30 V)必须选择更高反向耐压等级的器件。
  • 在高温或高漏电敏感应用中,需关注漏电随温度上升的变化,必要时参考器件完整数据手册中的温度相关特性曲线。
  • 若需更低 Vf 或更高浪涌能力,可比较 ROHM 或其它厂商的同类肖特基系列,确认在目标工况下的实际损耗与可靠性。

六、可靠性与装配提示

  • 储存与防潮:建议按常规 SMD 器件的防潮规范存储与管理,开封后按推荐时间内贴装完成以减少焊接时的湿气问题。
  • 静电防护:器件敏感于静电,应在防静电环境中操作与运输。
  • 质量与一致性:ROHM 的制造与测试流程保证了良好的一致性,但在关键应用中仍建议先通过样机验证热特性与长期稳定性。

总结:RB530CM-30T2R 以其低正向压降、低漏电和小型化封装,适合低电压、低功耗与体积受限的应用场景。在电路设计中应综合考虑散热、浪涌承受能力与 PCB 布局,以发挥其在能效与尺寸方面的优势。

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